邮件发送

private void button1_Click(object sender, EventArgs e)        {            MailMessage msg = new MailMessage();            msg.Body = this.textBox3.Text;            msg.Subject = this.textBox2.Text;                       msg.From=new MailAddress("11******72@qq.com");            msg.To.Add("11********72@qq.com");            SmtpClient client = new SmtpClient();            client.Host = "smtp.qq.com";            client.Port = 25;//获取或设置用于smtp事物的端口。            NetworkCredential credetial = new NetworkCredential();            credetial.UserName = "用户名";            credetial.Password = "密码";            client.Credentials = credetial;            client.Send(msg);        }

转载于:https://www.cnblogs.com/qzc900809/archive/2013/01/04/2844911.html